| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an MMR probe head that has an improved centering of a sample vial.SOLUTION: An NMR probe head 3 has: a coil system 9 that is fixed radially relative to the probe head; and two centering devices 5 and 6 that are spaced axially from each other for centering a sample vial 4 in a radial direction only, and the first centering device 5 is disposed above a receiver coil system and all other centering devices are fixed in the radial direction. At least one another centering device 6 is disposed axially above the coil system by an axial spacing d above the first centering device, and the first centering device cooperates with another centering device to restrict a radial scope for movement of the sample vial so that, during an entire duration of transport of the sample vial to a measuring position in the probe head, the sample vial cannot touch an endangered space 7, while another centering device is connected to the probe head.</p> |
